33230213220 has 24 divisors (see below), whose sum is σ = 93044597184. Its totient is φ = 8861390176.

The previous prime is 33230213197. The next prime is 33230213231. The reversal of 33230213220 is 2231203233.

It is a super-2 number, since 2×33230213220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276918384 + ... + 276918503.

It is an arithmetic number, because the mean of its divisors is an integer number (3876858216).

Almost surely, 2^33230213220 is an apocalyptic number.

33230213220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33230213220 is an abundant number, since it is smaller than the sum of its proper divisors (59814383964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33230213220 is a wasteful number, since it uses less digits than its factorization.

33230213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553836899 (or 553836897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33230213220 its reverse (2231203233), we get a palindrome (35461416453).

The spelling of 33230213220 in words is "thirty-three billion, two hundred thirty million, two hundred thirteen thousand, two hundred twenty".